Core Advantages & Application Overview

The VDP Dry Screw Vacuum Pump is an oil-free dry pump that generates suction and exhaust through synchronized high-speed meshing of two counter-rotating screw rotors within the pump casing. With no lubricating oil or sealing fluid required in the working chamber, it fundamentally eliminates oil backflow and media contamination, while enabling recovery of condensable gases for additional economic benefits.

Key Performance Highlights

• Wide pumping speed range, achieving 5Pa ultimate vacuum in a single stage, direct atmospheric discharge without multi-stage series
• Oil-free, medium-free design with zero oil backflow, no waste gas/liquid discharge, eco-friendly and energy-efficient
• One-piece ductile iron screw rotors for high strength, stable performance, and contact-free, frictionless operation
• Nitrogen purge-compatible for simple, low-effort cleaning and maintenance
• Customizable surface anti-corrosion treatment for pump chamber and components, ideal for harsh chemical/pharmaceutical environments
• Precision-balanced screw rotors ensure smooth operation, low noise, minimal vibration, and long service life

Why VDP Outperforms Traditional Vacuum Pumps

Traditional liquid ring, rotary vane, and steam jet pumps, though widely used, have critical flaws: oil backflow, seal fluid and cross-media contamination (risking batch scrap, unsuitable for high-cleanliness industries), low ultimate vacuum (needing multi-stage series to raise costs), large waste emissions, no condensable gas recovery, and poor adaptability to harsh conditions.

The VDP Dry Screw Vacuum Pump solves these issues: oil-free design eliminates contamination for clean processes, single-stage 5Pa high vacuum cuts costs, maintenance-free contact-free rotors with nitrogen purge cleaning, customizable anti-corrosion chamber for harsh conditions, and efficient condensable gas recovery for extra value and environmental compliance.

The VDP Dry Screw Vacuum Pump addresses these gaps: its oil-free, seal-fluid-free design eliminates contamination, fitting clean processes perfectly. A single stage achieves 5Pa high vacuum (no multi-stage needed), cutting costs significantly. Maintenance-free with contact-free rotors, it only requires nitrogen purge cleaning, and its customizable anti-corrosion pump chamber adapts to harsh conditions. It also efficiently recovers condensable gases, creating extra value while meeting environmental standards.

How VDP Solves Your Process Challenges

Chemical & Pharmaceutical Industry: Zero Contamination Assurance for Clean Processes

In API synthesis, solvent recovery, and pharmaceutical packaging, oil backflow from traditional pumps directly contaminates batches, while seal fluid leaks create environmental compliance risks.

The VDP Dry Screw Vacuum Pump’s oil-free design eliminates media contamination entirely. Customizable anti-corrosion coatings adapt to organic solvents and corrosive gas extraction/recovery, while its single-stage high vacuum meets the requirements for solvent distillation and vacuum drying. Recovered solvents can be reused directly, reducing production costs.

Semiconductor & Microelectronics Industry: Stable Power for Clean Manufacturing

Semiconductor wafer fabrication and thin-film deposition demand ultra-clean vacuum environments, where even minor oil or particulate contamination can cause wafer scrap.

The VDP pump’s oil-free, frictionless design delivers a clean, impurity-free vacuum environment. Its low-vibration, low-noise operation avoids interference with precision equipment, and consistent ultimate vacuum ensures process repeatability and yield.

Oil & Gas Recovery Industry: Eco-Friendly Solution for Efficient Recovery

In vapor recovery applications at gas stations and storage terminals, flammable and explosive vapors demand high safety and leak-proof performance from vacuum pumps. Traditional liquid ring pumps are prone to leaks due to seal fluid loss and cannot efficiently recover vapors.

The VDP Dry Screw Vacuum Pump safely handles flammable vapors without oil or friction-induced hazards. It enables efficient vapor recovery, meeting environmental emission standards while generating additional revenue from recovered hydrocarbons.

Third-Party Validation: Customer Testimonials

“Previously, we used rotary vane pumps for API solvent recovery, facing monthly batch scrap due to oil contamination and high maintenance costs. Since switching to the VDP Dry Screw Vacuum Pump, contamination issues have been completely eliminated, recovered solvents meet purity standards, and the revenue from solvent recovery alone covered the equipment cost within a year.”

— Process Engineer, Pharmaceutical Manufacturer

“Semiconductor thin-film processes demand extremely high vacuum cleanliness. The VDP screw pump’s oil-free design fully meets our clean manufacturing requirements, and its low-vibration operation has not affected our precision equipment. It is far more stable than the multi-stage pumps we used before.”

— Equipment Procurement Manager, Semiconductor Fab

FAQ

Q1: Can the VDP Dry Screw Vacuum Pump replace traditional multi-stage pumps?

Absolutely. The VDP pump achieves 5Pa ultimate vacuum in a single stage with a wide pumping speed range, enabling direct atmospheric discharge without multi-stage series. This significantly reduces capital expenditure and long-term maintenance complexity.

Q2: How durable is the VDP pump in corrosive environments?

We offer customizable surface anti-corrosion treatment for the pump chamber and components based on your specific process conditions. This adapts the pump to strong acids, bases, and organic solvents common in chemical and pharmaceutical applications, ensuring stable long-term operation in harsh environments.

Q3: Is the maintenance cost of the VDP Dry Screw Vacuum Pump high?

No. The pump features a maintenance-free design with contact-free, frictionless screw rotors, eliminating the need for regular oil or seal fluid replacement. Cleaning is simple via nitrogen purge, resulting in significantly lower long-term operational costs compared to traditional oil-sealed pumps.